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erpc's Issues

c++ client

可以使用C++客户端连接erpc的服务吗. 这种情况下, erpc服务使用哪种协议比较方便客户端组包或解包? pb、raw?
有没有可能erpc服务自定义数据包的格式. 比如 |len|version|body-bytes-data...|
这样客户端可以比较方便的与服务端做数据交互,而且也提供了自定义协议的能力.

提个小小的建议

plugin/auth/auth.go下的Session的interface可以加个LocalAddr()嘛。。
因为在认证的时候有可能会用到,其他session也都带了这个方法,每次更新库了忘记改了就很尴尬。

handler处理panic了

这里是大致的实现:

https://gist.github.com/chenqinghe/cadea0fc76f545154204b4dab35a4bef

panic信息:

[2019/03/16 22:40:01.223] [PRIN] The current process PID: 2884
[2019/03/16 22:40:01.232] [PRIN] register CALL handler: /user/login
[2019/03/16 22:40:01.241] [PRIN] listen and serve (network:tcp, addr:[::]:9090)
[2019/03/16 22:40:12.296] [INFO] accept ok (network:tcp, addr:127.0.0.1:2964, id:127.0.0.1:2964)
[2019/03/16 22:40:12.297] [DEBU] panic:runtime error: invalid memory address or nil pointer dereference
........../server/manager.(*Manager).Add(0x0, 0x0, 0x0, 0xc000194080)
........../server/manager/manager.go:21 +0x2d
........../server/handler.(*User).Login(0xc000194000, 0xc00016b260, 0x0, 0x0, 0x0)
........../server/handler/user.go:20 +0x12b
reflect.Value.call(0xc0001608a0, 0xc000098528, 0x13, 0x8da74a, 0x4, 0xc00017bd80, 0x2, 0x2, 0x0, 0xc000192180, ...)
C:/Go/src/reflect/value.go:447 +0x450
reflect.Value.Call(0xc0001608a0, 0xc000098528, 0x13, 0xc00017bd80, 0x2, 0x2, 0x0, 0x0, 0xc00017bdb0)
C:/Go/src/reflect/value.go:308 +0xab
........../vendor/github.com/henrylee2cn/teleport.makeCallHandlersFromStruct.func2(0xc0000cd810, 0x8261c0, 0xc00016b260, 0x16)
........../vendor/github.com/henrylee2cn/teleport/router.go:506 +0x138
........../vendor/github.com/henrylee2cn/teleport.(*handlerCtx).handleCall(0xc0000cd810)
........../vendor/github.com/henrylee2cn/teleport/context.go:513 +0x391
........../vendor/github.com/henrylee2cn/teleport.(*handlerCtx).handle(0xc0000cd810)
........../vendor/github.com/henrylee2cn/teleport/context.go:366 +0x35f

初步猜测可能是反射复制Manager实例的时候漏了mux字段导致。具体原因暂不详。

Server端调用了Close,监听还是存在,如何退出服务器?

例子是simple里的。

服务器端:
在ListenAndServe前加了个定时器,2秒后关闭服务器
go func() {
time.Sleep(2 * time.Second)
srv.Close()
}()
srv.ListenAndServe()
fmt.Println("exit.............")

客户端:
在 cli.Dial(":9090") 后也加了个定时器,3秒后重连
go func() {
time.Sleep(3 *time.Second)
cli.Dial(":9090")
}()

服务器2秒后执行关闭,并没有退出监听,后面打印也没继续,3秒后客户端还是继续连接成功
看代码还是阻塞在Accept那,这如何退出服务器?

go get报错

信息如下

-> go get -u github.com/henrylee2cn/teleport
go: finding golang.org/x/sys latest
go: finding github.com/henrylee2cn/goutil latest
go: finding github.com/henrylee2cn/cfgo latest
go: finding golang.org/x/crypto latest
go: finding golang.org/x/net latest
go: finding gopkg.in/tomb.v1 latest
go: finding golang.org/x/tools latest
go: finding golang.org/x/sync latest
go: finding gopkg.in/check.v1 latest
# github.com/lucas-clemente/quic-go/internal/handshake
../gopath/pkg/mod/github.com/lucas-clemente/[email protected]/internal/handshake/crypto_setup.go:115:5: cannot use &cryptoSetup literal (type *cryptoSetup) as type qtls.RecordLayer in assignment:
	*cryptoSetup does not implement qtls.RecordLayer (wrong type for SetReadKey method)
		have SetReadKey(*qtls.CipherSuite, []byte)
		want SetReadKey(qtls.EncryptionLevel, *qtls.CipherSuite, []byte)
../gopath/pkg/mod/github.com/lucas-clemente/[email protected]/internal/handshake/crypto_setup.go:216:35: cannot use cs (type *cryptoSetup) as type qtls.RecordLayer in argument to tlsConfigToQtlsConfig:
	*cryptoSetup does not implement qtls.RecordLayer (wrong type for SetReadKey method)
		have SetReadKey(*qtls.CipherSuite, []byte)
		want SetReadKey(qtls.EncryptionLevel, *qtls.CipherSuite, []byte)

go get 报错

go get -u -f github.com/henrylee2cn/erpc

github.com/henrylee2cn/erpc/quic

github.com\henrylee2cn\erpc\quic\quic.go:27:36: not enough arguments in call to sess.OpenStreamSync
have ()
want (context.Context)
github.com\henrylee2cn\erpc\quic\quic.go:96:27: not enough arguments in call to l.lis.Accept
have ()
want (context.Context)
github.com\henrylee2cn\erpc\quic\quic.go:100:34: not enough arguments in call to sess.AcceptStream
have ()
want (context.Context)

windows 下報錯,mac下是可以的

go的版本是:
$ go version
go version go1.8 windows/386
go 当前的 env是:
$ go env
set GOARCH=386
set GOBIN=
set GOEXE=.exe
set GOHOSTARCH=386
set GOHOSTOS=windows
set GOOS=windows
set GOPATH=D:\workspace\go
set GORACE=
set GOROOT=D:\Go
set GOTOOLDIR=D:\Go\pkg\tool\windows_386
set GCCGO=gccgo
set GO386=
set CC=gcc
set GOGCCFLAGS=-m32 -mthreads -fmessage-length=0 -fdebug-prefix-map=C:\Users\ADMINI~1\AppData\Local\Temp\go-build765695343=/tmp/go-build -gno-record-gcc-switches
set CXX=g++
set CGO_ENABLED=1
set PKG_CONFIG=pkg-config
set CGO_CFLAGS=-g -O2
set CGO_CPPFLAGS=
set CGO_CXXFLAGS=-g -O2
set CGO_FFLAGS=-g -O2
set CGO_LDFLAGS=-g -O2

报的错误是:
$ go run client.go
[2017/11/19 14:17:42.098] [PRIN] The current process PID: 11000<github.com/henrylee2cn/teleport/utils.go:58>
[2017/11/19 14:17:42.103] [PRIN] register push handler: /push/test<github.com/henrylee2cn/teleport/router.go:89>
[2017/11/19 14:17:42.108] [INFO] dial ok (addr: 127.0.0.1:9090, id: 127.0.0.1:56087)<github.com/henrylee2cn/teleport/peer.go:142>
[2017/11/19 14:17:42.108] [DEBU] panic:
runtime error: invalid memory address or nil pointer dereference
sync/atomic.LoadUint64(0x126e440c, 0x12776000, 0x127027fc)
D:/Go/src/sync/atomic/asm_386.s:159 +0xb
github.com/henrylee2cn/teleport.(*session).ReadTimeout(0x126e4370, 0x0, 0x0)
D:/workspace/go/src/github.com/henrylee2cn/teleport/session.go:197 +0x28
github.com/henrylee2cn/teleport.(*session).startReadAndHandle(0x126e4370)
D:/workspace/go/src/github.com/henrylee2cn/teleport/session.go:404 +0xcf
github.com/henrylee2cn/teleport.(*session).(github.com/henrylee2cn/teleport.startReadAndHandle)-fm()
D:/workspace/go/src/github.com/henrylee2cn/teleport/peer.go:140 +0x20
github.com/henrylee2cn/goutil/pool.(*GoPool).goroutineFunc(0x1275f780, 0x1274f820)
D:/workspace/go/src/github.com/henrylee2cn/goutil/pool/GoPool.go:223 +0x63
github.com/henrylee2cn/goutil/pool.(*GoPool).getCh.func1(0x1275f780, 0x1274f820, 0x6a7540, 0x1274f820)
D:/workspace/go/src/github.com/henrylee2cn/goutil/pool/GoPool.go:199 +0x29
created by github.com/henrylee2cn/goutil/pool.(*GoPool).getCh
D:/workspace/go/src/github.com/henrylee2cn/goutil/pool/GoPool.go:201 +0xe8<github.com/henrylee2cn/teleport/session.go:383>
[2017/11/19 14:17:42.115] [ERRO] panic:
runtime error: invalid memory address or nil pointer dereference
sync/atomic.LoadUint64(0x126e4414, 0x126e43b0, 0x0)
D:/Go/src/sync/atomic/asm_386.s:159 +0xb
github.com/henrylee2cn/teleport.(*session).WriteTimeout(0x126e4370, 0x0, 0x1a0250)
D:/workspace/go/src/github.com/henrylee2cn/teleport/session.go:202 +0x28
github.com/henrylee2cn/teleport.(*session).write(0x126e4370, 0x1275f8c0, 0x0, 0x0)
D:/workspace/go/src/github.com/henrylee2cn/teleport/session.go:446 +0x56
github.com/henrylee2cn/teleport.(*session).GoPull(0x126e4370, 0x723653, 0x23, 0x6cc9c0, 0x1274f900, 0x6a8880, 0x126cfe78, 0x1275f880, 0x0, 0x0, ...)
D:/workspace/go/src/github.com/henrylee2cn/teleport/session.go:292 +0x4cf<github.com/henrylee2cn/teleport/session.go:285>
[2017/11/19 14:19:16.861] [INFO] shutting down process...<github.com/henrylee2cn/goutil/graceful/grace_a.go:34>
[2017/11/19 14:19:36.868] [ERRO] [shutdown-timeout] context deadline exceeded<github.com/henrylee2cn/goutil/graceful/grace.go:86>

如何才能正确获取push事件返回的status?

如题,客户端代码:

Cli.RoutePush(new(Push))
// 连接服务端
sess, stat := Cli.Dial(serverUrl)
...

type Push struct {
	tp.PushCtx
}

func (p *Push) Table(msg *vos.TableMsg) *tp.Status {
	if true {
		return tp.NewStatusByCodeText(tp.CodeInternalServerError, "test return error", false)
	}
        return nil
}

服务器端代码:

status := session.Push("/push/table", msg)
logs.Logger.Debug("status value.",zap.Any("status",status)) // 打印得到的是nil值

现在的问题是:为什么服务器端得到的status一直是nil值?求助。

服务端重启后,客户端无法重现建立连接

客户端使用RedialTimes: -1,参数设置不断尝试重连,当服务端停止,然后重启服务端,客户端无法正常重建连接。后发现,修改peer.go的以下代码:

stat = p.renewSessionForClient(sess, dialFunc, addr, protoFuncs)
if !stat.OK() { // 此处改为 if stat.OK() {
    Infof("redial ok (network:%s, addr:%s, id:%s)", p.network, sess.RemoteAddr().String(), sess.ID())
    return true
}

经过修正后,客户端能重连成功。

AsyncPull 怎样从PullCmd 中获取session 信息?

有一组peer,对这组peer 发起一个异步的请求,并使用pingCmdChan 接受所有peer 返回的结果,问题是如何从返回的PullCmd 中获取session (即怎么确认结果是哪个peer 返回的)?
(ps: 是不是AsyncPull 不能这么用)

部分代码如下:

	pingCmdChan := make(chan tp.PullCmd, batch)
	for _, peer := range hub.others {
                ......
		peer.sess.AsyncPull(
			"/peer/ping",
			"ping",
			new(string),
			pingCmdChan,
		)
	}
        ......
	for pingCmd := range pingCmdChan {
		result, rerr := pingCmd.Reply()
                sess = pingCmd.XXXXX // ?
        }

关于sequence length

在说明文档中,sequence length是2bytes;
{2 bytes sequence length}
{sequence}

但在文件github.com/henrylee2cn/teleport/socket/protocol.go中sequence length是1bytes;
{1 bytes sequence length}
{sequence}
{1 byte message type} # e.g. CALL:1; REPLY:2; PUSH:3
{1 bytes service method length}
请问是以谁为准呢?还想请教一下seq的编码解码是怎么计算的呢.

如何保存会话状态?

貌似框架对会话的状态的管理不太友好啊。每次请求过来之后,都会路由到不同的handler实例,这样就不能通过handler来管理会话状态了,得要自己再重新封装一层。后面这块会考虑重构吗?

quic网络类型报错

quic模式啊,我看了下最新的teleport中的类型没有这个,所以我这里按照quic的Demo一跑就报“Invalid network config, refer to the following: tcp, tcp4, tcp6, unix or unixpacket.”

运行example/Simple失败:qtls.ConnectionState not compatible with tls.ConnectionState

运行Simple例子失败,
Win7 64bits

panic: qtls.ConnectionState not compatible with tls.ConnectionState

goroutine 1 [running]:
github.com/ourcolour/xnettools/vendor/github.com/lucas-clemente/quic-go/internal/handshake.init.0()
E:/goprojects/src/github.com/ourcolour/xnettools/vendor/github.com/lucas-clemente/quic-go/internal/handshake/unsafe.go:17 +0x2b3


使用govendor后的报错

不使用govendor的话正常,但是使用了govendor会有一些的报错,老哥能帮忙看看嘛。。

vendor/github.com/henrylee2cn/erpc/plugin/auth/auth.go:111:21: cannot use sess (type erpc.PreSession) as type Session in argument to a.bearerFunc:
erpc.PreSession does not implement Session (wrong type for Swap method)
have Swap() "github.com/henrylee2cn/goutil".Map
want Swap() "rock/agent/vendor/github.com/henrylee2cn/goutil".Map

vendor/github.com/henrylee2cn/erpc/context.go:375:20: cannot use statCodeMtypeNotAllowed (type *"rock/agent/vendor/github.com/henrylee2cn/goutil/status".Status) as type *"github.com/henrylee2cn/goutil/status".Status in argument to c.output.SetStatus

可以根据teleport开发socket.io的插件吗?

我们的项目之前是根据socket.io开发的实时推送服务,最近用户猛增,导致服务器转发消息延迟很大,想用go重写服务端,但是客户端还用socket.io兼容,估计只能适配socket.io的协议来改服务端这一块,不知道意义可大,plugin的方式可不可行。

你好,发现一个问题,不知道是不是一个bug

问题描述如下:
我是用了auth plugin,但是每次断线重连之后在plugin这块都会直接返回connection close的error信息,跟踪代码后发现,在renewSessionForClient方法中,在p.pluginContainer.postDial(sess)时,当前session的状态依然是Closed,导致后续写消息直接判断状态返回了,
现修改如下:


func (p *peer) renewSessionForClient(sess *session, dialFunc func() (net.Conn, error), addr string, protoFuncs []ProtoFunc) error {
	var conn, dialErr = dialFunc()
	if dialErr != nil {
		return dialErr
	}
	if p.tlsConfig != nil {
		conn = tls.Client(conn, p.tlsConfig)
	}
	oldIP := sess.LocalAddr().String()
	oldID := sess.ID()
	oldConn := sess.getConn()
	if oldConn != nil {
		oldConn.Close()
	}
	sess.socket.Reset(conn, protoFuncs...)
	if oldIP == oldID {
		sess.socket.SetID(sess.LocalAddr().String())
	} else {
		sess.socket.SetID(oldID)
	}
	atomic.StoreInt32(&sess.status, statusOk) //将状态修改放在plugin之前
	if rerr := p.pluginContainer.postDial(sess); rerr != nil {
		sess.Close()
		return rerr.ToError()
	}
	// atomic.StoreInt32(&sess.status, statusOk)
	AnywayGo(sess.startReadAndHandle)
	p.sessHub.Set(sess)
	return nil
}

不知道这样改动会不会引发其他问题,还没有完全吃透teleport的源码

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